Power Electronics Dynamic equalising circuit is useful both B and C. to limit dV / dt of SCR. to limit di / dt of SCR. for voltage equalisation. both B and C. to limit dV / dt of SCR. to limit di / dt of SCR. for voltage equalisation. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.7. 0.75. 0.25. 0.2. 0.7. 0.75. 0.25. 0.2. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Both a and B. AC switch. DC switch. Square wave switch. Both a and B. AC switch. DC switch. Square wave switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with higher gain. Controlled transistor. Controlled switch. Amplifier with large current gain. Amplifier with higher gain. Controlled transistor. Controlled switch. Amplifier with large current gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Double-base Low resistance High resistance Single-base Double-base Low resistance High resistance Single-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 0.03 ohm 3.0 ohm 0.3 ohm 0.3 ohm 0.03 ohm 3.0 ohm 0.3 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP